object: Fix gvir_connection_create_storage_pool() leak
object: Fix gvir_connection_create_storage_pool() leak

We need to free the string returned by gvir_config_object_to_xml() after
using it.

Signed-off-by: Christophe Fergeau <05b95054a663c388a4e33d95828cb30f0370f8ef@redhat.com>
Reviewed-by: Fabiano Fidêncio <2931bae082ef9bc04523ba759c03a4778316d48f@redhat.com>

libvirt/libvirt-glib,libvirt/libvirt-glib,libvirt/libvirt-glib